Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration
- Autores
- Camiña, José Manuel; Ferreyra, Raquel Edith; Luco, Juan Maria; Marchevsky, Eduardo Jorge
- Año de publicación
- 2001
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A spectrophotometric method for the simultaneous determination of rare-earth and transition elements in synthetic superconductors, [(La1 – x Eu x )1.82Sr0.18CuO4], by the use of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP) as chelating agent was developed. The influence of chemical variables affecting the reaction was studied. A partial least-squares (PLS) multivariate calibration procedure was used to assess the data obtained from several calibration solutions measured over the wavelengths range 400–700 nm. The concentration range for Cu was (1–12) × 10–6 mol/L, while the range for the rare-earth elements La and Eu was (2–8) × 10–6 mol/L. The relative errors in the determinations were less than 5% in most cases.
Fil: Camiña, José Manuel. Universidad Nacional de La Pampa; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
Fil: Ferreyra, Raquel Edith. Universidad Nacional de La Pampa; Argentina
Fil: Luco, Juan Maria. Universidad Nacional de San Luis; Argentina
Fil: Marchevsky, Eduardo Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina - Materia
-
MULTIVARIATE
CALIBRATION
TRANSITION
ELEMENTS - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/101193
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Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibrationCamiña, José ManuelFerreyra, Raquel EdithLuco, Juan MariaMarchevsky, Eduardo JorgeMULTIVARIATECALIBRATIONTRANSITIONELEMENTShttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1A spectrophotometric method for the simultaneous determination of rare-earth and transition elements in synthetic superconductors, [(La1 – x Eu x )1.82Sr0.18CuO4], by the use of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP) as chelating agent was developed. The influence of chemical variables affecting the reaction was studied. A partial least-squares (PLS) multivariate calibration procedure was used to assess the data obtained from several calibration solutions measured over the wavelengths range 400–700 nm. The concentration range for Cu was (1–12) × 10–6 mol/L, while the range for the rare-earth elements La and Eu was (2–8) × 10–6 mol/L. The relative errors in the determinations were less than 5% in most cases.Fil: Camiña, José Manuel. Universidad Nacional de La Pampa; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; ArgentinaFil: Ferreyra, Raquel Edith. Universidad Nacional de La Pampa; ArgentinaFil: Luco, Juan Maria. Universidad Nacional de San Luis; ArgentinaFil: Marchevsky, Eduardo Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; ArgentinaSP MAIK Nauka/Interperiodica2001-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/101193Camiña, José Manuel; Ferreyra, Raquel Edith; Luco, Juan Maria; Marchevsky, Eduardo Jorge; Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration; SP MAIK Nauka/Interperiodica; Journal Of Analytical Chemistry; 56; 1-2001; 25-301061-93481608-3199CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1023%2FA%3A1026759226708info:eu-repo/semantics/altIdentifier/doi/10.1023/A:1026759226708info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:26:15Zoai:ri.conicet.gov.ar:11336/101193instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 15:26:15.367CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration |
title |
Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration |
spellingShingle |
Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration Camiña, José Manuel MULTIVARIATE CALIBRATION TRANSITION ELEMENTS |
title_short |
Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration |
title_full |
Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration |
title_fullStr |
Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration |
title_full_unstemmed |
Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration |
title_sort |
Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration |
dc.creator.none.fl_str_mv |
Camiña, José Manuel Ferreyra, Raquel Edith Luco, Juan Maria Marchevsky, Eduardo Jorge |
author |
Camiña, José Manuel |
author_facet |
Camiña, José Manuel Ferreyra, Raquel Edith Luco, Juan Maria Marchevsky, Eduardo Jorge |
author_role |
author |
author2 |
Ferreyra, Raquel Edith Luco, Juan Maria Marchevsky, Eduardo Jorge |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
MULTIVARIATE CALIBRATION TRANSITION ELEMENTS |
topic |
MULTIVARIATE CALIBRATION TRANSITION ELEMENTS |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
A spectrophotometric method for the simultaneous determination of rare-earth and transition elements in synthetic superconductors, [(La1 – x Eu x )1.82Sr0.18CuO4], by the use of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP) as chelating agent was developed. The influence of chemical variables affecting the reaction was studied. A partial least-squares (PLS) multivariate calibration procedure was used to assess the data obtained from several calibration solutions measured over the wavelengths range 400–700 nm. The concentration range for Cu was (1–12) × 10–6 mol/L, while the range for the rare-earth elements La and Eu was (2–8) × 10–6 mol/L. The relative errors in the determinations were less than 5% in most cases. Fil: Camiña, José Manuel. Universidad Nacional de La Pampa; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina Fil: Ferreyra, Raquel Edith. Universidad Nacional de La Pampa; Argentina Fil: Luco, Juan Maria. Universidad Nacional de San Luis; Argentina Fil: Marchevsky, Eduardo Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina |
description |
A spectrophotometric method for the simultaneous determination of rare-earth and transition elements in synthetic superconductors, [(La1 – x Eu x )1.82Sr0.18CuO4], by the use of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP) as chelating agent was developed. The influence of chemical variables affecting the reaction was studied. A partial least-squares (PLS) multivariate calibration procedure was used to assess the data obtained from several calibration solutions measured over the wavelengths range 400–700 nm. The concentration range for Cu was (1–12) × 10–6 mol/L, while the range for the rare-earth elements La and Eu was (2–8) × 10–6 mol/L. The relative errors in the determinations were less than 5% in most cases. |
publishDate |
2001 |
dc.date.none.fl_str_mv |
2001-01 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/101193 Camiña, José Manuel; Ferreyra, Raquel Edith; Luco, Juan Maria; Marchevsky, Eduardo Jorge; Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration; SP MAIK Nauka/Interperiodica; Journal Of Analytical Chemistry; 56; 1-2001; 25-30 1061-9348 1608-3199 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/101193 |
identifier_str_mv |
Camiña, José Manuel; Ferreyra, Raquel Edith; Luco, Juan Maria; Marchevsky, Eduardo Jorge; Simultaneous spectrophotometric determination of rare-earth and transition elements using partial least-squares (PLS) multivariate calibration; SP MAIK Nauka/Interperiodica; Journal Of Analytical Chemistry; 56; 1-2001; 25-30 1061-9348 1608-3199 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1023%2FA%3A1026759226708 info:eu-repo/semantics/altIdentifier/doi/10.1023/A:1026759226708 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
SP MAIK Nauka/Interperiodica |
publisher.none.fl_str_mv |
SP MAIK Nauka/Interperiodica |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1846083406106984448 |
score |
13.22299 |